EP1193725A4 - Method for diagnosing abnormal condition of isolation transformer and device therefor - Google Patents

Method for diagnosing abnormal condition of isolation transformer and device therefor

Info

Publication number
EP1193725A4
EP1193725A4 EP01912154A EP01912154A EP1193725A4 EP 1193725 A4 EP1193725 A4 EP 1193725A4 EP 01912154 A EP01912154 A EP 01912154A EP 01912154 A EP01912154 A EP 01912154A EP 1193725 A4 EP1193725 A4 EP 1193725A4
Authority
EP
European Patent Office
Prior art keywords
abnormal condition
isolation transformer
device therefor
diagnosing abnormal
diagnosing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01912154A
Other languages
German (de)
French (fr)
Other versions
EP1193725B1 (en
EP1193725A1 (en
Inventor
Koichi Murata
Y Habiro
Dongzhi Jin
Fumihiko Abe
H Mochizuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of EP1193725A1 publication Critical patent/EP1193725A1/en
Publication of EP1193725A4 publication Critical patent/EP1193725A4/en
Application granted granted Critical
Publication of EP1193725B1 publication Critical patent/EP1193725B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
    • H01F2019/085—Transformer for galvanic isolation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
EP01912154A 2000-03-08 2001-03-07 Method for diagnosing abnormal condition of isolation transformer and device therefor Expired - Lifetime EP1193725B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2000063436 2000-03-08
JP2000063436 2000-03-08
JP2000285891 2000-09-20
JP2000285891 2000-09-20
PCT/JP2001/001776 WO2001067471A1 (en) 2000-03-08 2001-03-07 Method for diagnosing abnormal condition of isolation transformer and device therefor

Publications (3)

Publication Number Publication Date
EP1193725A1 EP1193725A1 (en) 2002-04-03
EP1193725A4 true EP1193725A4 (en) 2005-10-12
EP1193725B1 EP1193725B1 (en) 2009-06-24

Family

ID=26587018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01912154A Expired - Lifetime EP1193725B1 (en) 2000-03-08 2001-03-07 Method for diagnosing abnormal condition of isolation transformer and device therefor

Country Status (6)

Country Link
US (1) US6661238B2 (en)
EP (1) EP1193725B1 (en)
JP (1) JP4593053B2 (en)
CA (1) CA2373434C (en)
DE (1) DE60139060D1 (en)
WO (1) WO2001067471A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2373434C (en) 2000-03-08 2008-05-06 The Furukawa Electric Co., Ltd Abnormality diagnosis method and apparatus for separable transformer
JP5714455B2 (en) 2011-08-31 2015-05-07 ルネサスエレクトロニクス株式会社 Semiconductor integrated circuit
JP5728343B2 (en) * 2011-09-15 2015-06-03 一般財団法人電力中央研究所 Transformer soundness diagnosis method and soundness diagnosis device
CN102628930A (en) * 2012-04-12 2012-08-08 山西省机电设计研究院 Automatic detection line for mutual inductor
CN102749606B (en) * 2012-06-18 2015-02-04 北京航空航天大学 Measurement method and device for optical voltage transformer dynamic property research
CN102854486B (en) * 2012-09-26 2014-12-03 湖北省电力公司电力科学研究院 On-site initiative error-verification system for voltage transformer and method thereof
CN103344935B (en) * 2013-05-10 2016-04-13 国家电网公司 Full-automatic low-voltage current transformer test termination
CN105203983B (en) * 2015-10-30 2018-02-13 江苏省电力公司电力科学研究院 Flexible alterating and direct current minor mutual-inductor calibration device based on mixing sampling
US10148181B2 (en) 2016-10-07 2018-12-04 Semiconductor Components Industries, Llc Switched mode power supply with dynamic frequency foldback
KR102414449B1 (en) * 2017-09-20 2022-06-30 현대자동차주식회사 Connection cable, diagnoisis appratus for connection of antenna, vehicle including the same and method for the same
CN108120895A (en) * 2018-01-15 2018-06-05 云南电网有限责任公司电力科学研究院 A kind of wave of oscillation detection deformation of transformer winding circuit and method
DE102019200333A1 (en) * 2019-01-14 2020-07-16 Phoenix Contact Gmbh & Co. Kg Measuring system for recording faults on the lines of a device or system

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973912A (en) * 1988-04-15 1990-11-27 Daimler-Benz Aktiengesellschaft Method for contactless measurement of a resistance arranged in the secondary circuit of a transformer and device for carrying out the method
JPH0636940A (en) * 1992-07-15 1994-02-10 Yaskawa Electric Corp Rotary equipment containing transmission mechanism of electric power and signal
WO1997006979A2 (en) * 1995-08-19 1997-02-27 Robert Bosch Gmbh System for checking the resistance of a load connected to a transformer
EP0787996A1 (en) * 1995-07-19 1997-08-06 The Nippon Signal Co. Ltd. Apparatus for detecting discontinuity of ground conductor and leak detector having function of detecting discontinuity of ground conductor
US5734269A (en) * 1994-08-08 1998-03-31 The Nippon Signal Co., Ltd. Bridge circuit fault monitoring apparatus using an output signal level from a bridge circuit and a power source current level to determine faults
WO1998036285A1 (en) * 1997-02-13 1998-08-20 Robert Bosch Gmbh Method for measuring resistance of a load connected to a rotation transformer
JPH10227827A (en) * 1997-02-14 1998-08-25 Yaskawa Electric Corp Device for detecting disconnection of noncontact power-signal transmission apparatus
US5917163A (en) * 1995-10-20 1999-06-29 Ut Automotive Dearborn, Inc. Modular steering wheel assembly with integrated switch housing
US5934704A (en) * 1994-04-26 1999-08-10 Eaton Corporation Vehicle steering column control system
US5969432A (en) * 1995-10-20 1999-10-19 Robert Bosch Gmbh Arrangement for controlling a load connected to the secondary side of a transformer
US6007355A (en) * 1996-09-13 1999-12-28 The Furukawa Electric Co., Ltd. Rotary connector for connecting cables
EP1000812A2 (en) * 1998-11-12 2000-05-17 Alps Electric Co., Ltd. Non-conductor type signal transmission device
EP1005052A1 (en) * 1998-06-10 2000-05-31 The Furukawa Electric Co., Ltd. Method of assembling isolation transformer
EP1052743A1 (en) * 1999-05-14 2000-11-15 Alps Electric Co., Ltd. Vehicle-mounted rotary connector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123015A (en) * 1974-08-21 1976-02-24 Japan National Railway
JP2910277B2 (en) * 1991-03-13 1999-06-23 松下電器産業株式会社 Converter transformer inspection equipment
JP3505789B2 (en) * 1994-06-03 2004-03-15 株式会社デンソー Failure diagnosis circuit for occupant protection device and its diagnosis method
KR100533494B1 (en) * 1998-03-27 2005-12-06 후루까와덴끼고오교 가부시끼가이샤 Separation type transformer core
CA2373434C (en) 2000-03-08 2008-05-06 The Furukawa Electric Co., Ltd Abnormality diagnosis method and apparatus for separable transformer

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973912A (en) * 1988-04-15 1990-11-27 Daimler-Benz Aktiengesellschaft Method for contactless measurement of a resistance arranged in the secondary circuit of a transformer and device for carrying out the method
JPH0636940A (en) * 1992-07-15 1994-02-10 Yaskawa Electric Corp Rotary equipment containing transmission mechanism of electric power and signal
US5934704A (en) * 1994-04-26 1999-08-10 Eaton Corporation Vehicle steering column control system
US5734269A (en) * 1994-08-08 1998-03-31 The Nippon Signal Co., Ltd. Bridge circuit fault monitoring apparatus using an output signal level from a bridge circuit and a power source current level to determine faults
EP0787996A1 (en) * 1995-07-19 1997-08-06 The Nippon Signal Co. Ltd. Apparatus for detecting discontinuity of ground conductor and leak detector having function of detecting discontinuity of ground conductor
WO1997006979A2 (en) * 1995-08-19 1997-02-27 Robert Bosch Gmbh System for checking the resistance of a load connected to a transformer
US5969432A (en) * 1995-10-20 1999-10-19 Robert Bosch Gmbh Arrangement for controlling a load connected to the secondary side of a transformer
US5917163A (en) * 1995-10-20 1999-06-29 Ut Automotive Dearborn, Inc. Modular steering wheel assembly with integrated switch housing
US6007355A (en) * 1996-09-13 1999-12-28 The Furukawa Electric Co., Ltd. Rotary connector for connecting cables
WO1998036285A1 (en) * 1997-02-13 1998-08-20 Robert Bosch Gmbh Method for measuring resistance of a load connected to a rotation transformer
JPH10227827A (en) * 1997-02-14 1998-08-25 Yaskawa Electric Corp Device for detecting disconnection of noncontact power-signal transmission apparatus
EP1005052A1 (en) * 1998-06-10 2000-05-31 The Furukawa Electric Co., Ltd. Method of assembling isolation transformer
EP1000812A2 (en) * 1998-11-12 2000-05-17 Alps Electric Co., Ltd. Non-conductor type signal transmission device
EP1052743A1 (en) * 1999-05-14 2000-11-15 Alps Electric Co., Ltd. Vehicle-mounted rotary connector

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 252 (E - 1547) 13 May 1994 (1994-05-13) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 13 30 November 1998 (1998-11-30) *
See also references of WO0167471A1 *

Also Published As

Publication number Publication date
DE60139060D1 (en) 2009-08-06
EP1193725B1 (en) 2009-06-24
WO2001067471A1 (en) 2001-09-13
CA2373434A1 (en) 2001-09-13
US20020047714A1 (en) 2002-04-25
JP4593053B2 (en) 2010-12-08
EP1193725A1 (en) 2002-04-03
US6661238B2 (en) 2003-12-09
CA2373434C (en) 2008-05-06

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